711 citations · 4.2k across the 38 of their papers we have counts for
40 papers
The AI Theorist reveals excitonic structure in -RuCl
Hongjian Zhou, Xianfan Nie, Sean Wu +5
Advances in experimental instrumentation and automation generate increasingly rich datasets, but turning experimental observations into microscopic understanding remains a bottlene…
Observation and Control of the Magnetic Photogalvanic Effect from Strongly Bound Excitons
Xianfan Nie, Tarun Patel, Hyunggeun Lee +11
Photogalvanic effects arising from the quantum geometry of noncentrosymmetric materials are promising for next-generation light-harvesting devices that do not require a built-in el…
Lessons from -RuCl3 for pursuing quantum spin liquid physics in atomically thin materials
Claudia Ojeda-Aristizabal, Xiaohu Zheng, Changsong Xu +20
Quantum spin liquids can arise from Kitaev magnetic interactions, and exhibit fractionalized excitations with the potential for a topological form of quantum computation. This revi…
Super-Moiré Spin Textures in Twisted Antiferromagnets
King Cho Wong, Ruoming Peng, Eric Anderson +15
Stacking two-dimensional (2D) layered materials offers a powerful platform to engineer electronic and magnetic states. In general, the resulting states, such as Moiré magnetism, ha…
Tuning Coupled Toroidic and Polar Orders in a Bilayer Antiferromagnet
Chuangtang Wang, Xiaoyu Guo, Zixin Zhai +5
Magnetic toroidal order features a loop-like arrangement of magnetic dipole moments, thus breaking both spatial inversion (P) and time-reversal (T) symmetries while preserving thei…
Direct observation of distinct bulk and edge nonequilibrium spin accumulation in ultrathin MoTe
Fangchu Chen, Kamal Das, Bowen Yang +11
Low-symmetry two-dimensional (2D) topological materials such as MoTe host efficient charge-to-spin conversion (CSC) mechanisms that can be harnessed for novel electronic and sp…
Macroscopic Tunneling Probe of Moiré Spin Textures in Twisted CrI
Bowen Yang, Tarun Patel, Meixin Cheng +10
Various noncollinear spin textures and magnetic phases have been predicted in twisted two-dimensional CrI due to competing ferromagnetic (FM) and antiferromagnetic (AFM) interl…
Gate-Tunable Multi-Band van der Waals Photodetector and Polarization Sensor
Daozhi Shen, HeeBong Yang, Tarun Patel +5
A single photodetector with tunable detection wavelengths and polarization sensitivity can potentially be harnessed for diverse optical applications ranging from imaging and sensin…
Magnetic anisotropy reversal driven by structural symmetry-breaking in monolayer α-RuCl3
Bowen Yang, Yin Min Goh, Suk Hyun Sung +14
Layered α-RuCl3 is a promising material to potentially realize the long-sought Kitaev quantum spin liquid with fractionalized excitations. While evidence of this exotic state has b…
Persistent photogenerated state attained by femtosecond laser irradiation of thin -MoTe
Meixin Cheng, Shazhou Zhong, Nicolás Rivas +9
Laser excitation has emerged as a means to expose hidden states of matter and promote phase transitions on demand. Such laser induced transformations are often rendered possible ow…
Semiconductor nanowire metamaterial for broadband near-unity absorption
Burak Tekcan, Brad van Kasteren, Sasan V. Grayli +6
The realization of a semiconductor near-unity absorber in the infrared will provide new capabilities to transform applications in sensing, health, imaging, and quantum information…
High-Performance Mid-IR to Deep-UV van der Waals Photodetectors Capable of Local Spectroscopy at Room Temperature
Daozhi Shen, HeeBong Yang, Christian Spudat +13
The ability to perform broadband optical spectroscopy with sub-diffraction-limit resolution is highly sought-after for a wide range of critical applications. However, sophisticated…
Photoinduced Interlayer Dynamics in T-MoTe: A Broadband Pump-Probe Study
Meixin Cheng, Shazhou Zhong, Nicolas Rivas +9
We report on time-resolved broadband transient reflectivity (tr-bb-TR) measurements performed on a bulk single crystal of T-MoTe as a function of the incident pump fluence…
Observation and manipulation of a phase separated state in a charge density wave material
Sean M. Walker, Tarun Patel, Junichi Okamoto +8
The 1T polytype of TaS has been studied extensively as a strongly correlated system. As 1T-TaS is thinned towards the 2D limit, its phase diagram shows si…
Infrared imaging of samples in ultra high pressure diamond anvil cells
Tarun Patel, A. Drozdov, V. S. Minkov +5
We describe an experimental platform that generates infrared images of micrometer-sized samples in the high pressure region of a diamond anvil cell. Using a 2.3 micron laser as a s…
Structural Monoclinicity and Its Coupling to Layered Magnetism in Few-Layer
Xiaoyu Guo, Wencan Jin, Zhipeng Ye +13
Using polarization-resolved Raman spectroscopy, we investigate layer number, temperature, and magnetic field dependence of Raman spectra in one- to four-layer . L…
Giant -axis nonlinear anomalous Hall effect in T-MoTe and WTe
Archana Tiwari, Fangchu Chen, Shazhou Zhong +11
While the anomalous Hall effect can manifest even without an external magnetic field, time reversal symmetry is nonetheless still broken by the internal magnetization of the sample…
Quantum engineering with hybrid magnonics systems and materials
D. D. Awschalom, C. H. R. Du, R. He +19
Quantum technology has made tremendous strides over the past two decades with remarkable advances in materials engineering, circuit design and dynamic operation. In particular, the…
Roadmap for gallium arsenide spin qubits
Ferdinand Kuemmeth, Hendrik Bluhm
Gate-defined quantum dots in gallium arsenide (GaAs) have been used extensively for pioneering spin qubit devices due to the relative simplicity of fabrication and favourable elect…
Tunable layered-magnetism-assisted magneto-Raman effect in a two-dimensional magnet
Wencan Jin, Zhipeng Ye, Xiangpeng Luo +13
We use a combination of polarized Raman spectroscopy experiment and model magnetism-phonon coupling calculations to study the rich magneto-Raman effect in the two-dimensional (2D)…
Photocurrent Imaging of Multi-Memristive Charge Density Wave Switching in Two-Dimensional 1T-TaS2
Tarun Patel, Junichi Okamoto, Tina Dekker +6
Transport studies of atomically thin 1T-TaS2 have demonstrated the presence of intermediate resistance states across the nearly commensurate (NC) to commensurate (C) charge density…
Observation of the polaronic character of excitons in a two-dimensional semiconducting magnet
Wencan Jin, Hyun Ho Kim, Zhipeng Ye +15
Exciton dynamics can be strongly affected by lattice vibrations through electron-phonon coupling. This is rarely explored in two-dimensional magnetic semiconductors. Focusing on bi…
Magnetic field-induced quantum phase transitions in a van der Waals magnet
Siwen Li, Zhipeng Ye, Xiangpeng Luo +10
Exploring new parameter regimes to realize and control novel phases of matter has been a main theme in modern condensed matter physics research. The recent discovery of 2D magnetis…
Generation and detection of coherent longitudinal acoustic waves in ultrathin 1T'-MoTe2
Nicolas Rivas, Shazhou Zhong, Tina Dekker +9
Layered transition metal dichalcogenides have attracted substantial attention owing to their versatile functionalities and compatibility with current nanofabrication technologies.…